Home / 850,996,647.63-1,276,882,828.06-436,764,360.47

Finding the Fourth Proportional to 850,996,647.63, 1,276,882,828.06 and 436,764,360.47

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Solution

The fourth proportional to 850,996,647.63, 1,276,882,828.06 and 436,764,360.47 is: 655,345,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,996,647.63 : 1,276,882,828.06 = 436,764,360.47 : x
  2. Step 2: Convert to fraction form
    850,996,647.63/1,276,882,828.06 = 436,764,360.47/x
  3. Step 3: Cross multiply
    850,996,647.63x = 1,276,882,828.06 × 436,764,360.47
  4. Step 4: Simplify right side
    850,996,647.63x = 557,696,911,786,366,400
  5. Step 5: Solve for x
    x = 557,696,911,786,366,400/850,996,647.63
  6. Step 6: Final answer
    x = 655,345,603.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.